TermCymru

Results are displayed in English alphabetical order A-Z
English: Iraq
Welsh: Irac
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Safonwyd yr enw hwn gan ddilyn yr egwyddorion a nodir yn yr erthygl 'Dynodi enwau gwladwriaethau, tiriogaethau a chenhedloedd diwladwriaeth' yn yr Arddulliadur.
Last Updated: 17 August 2021
English: Iraqi
Welsh: Iracaidd
Status C
Subject: Personnel
Part of speech: Adjective
Last Updated: 22 June 2007
English: IRAS
Welsh: System Ymgeisio Integredig ar gyfer Gwaith Ymchwil
Status C
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: Integrated Research Application System
Last Updated: 27 March 2008
English: Ireland
Welsh: Iwerddon
Status A
Subject: Place-names
Part of speech: Proper noun
Last Updated: 14 September 2007
English: Ireland Moor
Welsh: Rhos Ireland
Status B
Subject: Place-names
Part of speech: Proper noun
Definition: Common land in Montgomeryshire.
Last Updated: 12 July 2010
English: Ireland/Wales Community Initiative Programme
Welsh: Rhaglen Menter Gymunedol Iwerddon/Cymru
Status C
Subject: Economic development
Part of speech: Noun, Feminine, Singular
Last Updated: 1 October 2002
English: Ireland Wales Co-operation Programme
Welsh: Rhaglen Gydweithredu Iwerddon Cymru
Status C
Subject: Economic development
Part of speech: Noun, Feminine, Singular
Context: Rhaglen Ewropeaidd ar gyfer y cyfnod 2015-2020
Last Updated: 22 April 2015
English: Ireland-Wales Ministerial Forum
Welsh: Fforwm Gweinidogol Cymru-Iwerddon
Status B
Subject: Politics
Part of speech: Noun, Masculine, Singular
Last Updated: 11 December 2023
English: iridium
Welsh: iridiwm
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: Ir
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last Updated: 18 June 2025
English: iris
Welsh: iris
Status C
Subject: Plants
Part of speech: Noun, Masculine, Singular
Definition: ond y blodyn gwyllt, "cellesgen"
Last Updated: 27 January 2004
English: iris
Welsh: cellesgen
Status C
Subject: Plants
Part of speech: Noun, Feminine, Singular
Definition: wildflower
Last Updated: 27 January 2004
English: IRIS
Welsh: System Wybodaeth Ffyrdd Integredig
Status C
Subject: Transport
Part of speech: Noun, Feminine, Singular
Definition: The Welsh Government’s collaboration with Transport Scotland in the procurement and management of an Integrated Road Information System (IRIS), has realised approximately 20% savings on historic system costs and has facilitated the sharing of best practice in the operation, maintenance and improvement of the two administration’s highway networks.
Last Updated: 29 April 2013
English: Irish
Welsh: Gwyddelig
Status A
Subject: Personnel
Part of speech: Adjective
Definition: Ethnic group used in 2001 Census.
Last Updated: 26 April 2005
English: Irish Ambassador to London
Welsh: Llysgennad Iwerddon yn Llundain
Status B
Subject: Politics
Part of speech: Noun, Masculine, Singular
Last Updated: 6 April 2017
English: Irish Citizens’ Assembly on Drugs
Welsh: Cynulliad Dinasyddion Iwerddon ar Gyffuriau
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Last Updated: 21 February 2024
English: Irish Equality Authority
Welsh: Awdurdod Cydraddoldeb Iwerddon
Status C
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last Updated: 1 July 2004
English: Irish Minister for Foreign Affairs and Trade
Welsh: Gweinidog Iwerddon dros Faterion Tramor a Masnach
Status B
Subject: Politics
Part of speech: Noun, Masculine, Singular
Notes: Cyfieithiad cwrteisi o deitl nad oes fersiwn Gymraeg swyddogol arni.
Last Updated: 25 October 2017
English: Irish Republic
Welsh: Gweriniaeth Iwerddon
Status C
Subject: Place-names
Part of speech: Proper noun
Last Updated: 14 September 2007
English: Irish Sea
Welsh: Môr Iwerddon
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 20 September 2005
English: IRO
Welsh: Swyddog Adolygu Annibynnol
Status B
Subject: Social services
Part of speech: Noun, Masculine, Singular
Definition: Independent Reviewing Officer
Context: “Independent Reviewing Officers (IROs) have responsibility for monitoring the local authority’s performance of their functions in relation to a child’s care, as well as specific duties in relation to the review of their care plan.”
Last Updated: 5 December 2011
English: iron
Welsh: haearn
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: Fe
Notes: Elfen gemegol.
Last Updated: 18 June 2025
English: iron deficiency
Welsh: diffyg haearn
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Pan na fydd angen y corff am haearn yn cael ei ddiwallu gan yr haearn sy'n cael ei amsugno o'r deiet.
Last Updated: 4 April 2019
English: iron grey
Welsh: glas haearn
Status A
Subject: Environment
Part of speech: Adjective
Definition: Horse markings
Last Updated: 29 April 2005
English: ironing boards
Welsh: byrddau smwddio
Status C
Subject: Housing
Part of speech: Noun, Plural
Last Updated: 11 July 2008
English: Ironman
Welsh: Ironman
Status A
Subject: Tourism and leisure
Definition: Enw brand, felly'n aros yn Saesneg.
Last Updated: 31 August 2011
English: ironmongery
Welsh: gwaith haearn
Status C
Subject: Estates and Cadw
Part of speech: Noun, Masculine, Singular
Definition: Internal fittings, not always of iron, such as pulleys, catches, handles and finger pulls.
Context: Ffynhonnell: Taflen wybodaeth gyhoeddus Cyngor Gwynedd.
Last Updated: 23 April 2015
English: iron sheeting
Welsh: dalennau haearn
Status C
Subject: Planning
Part of speech: Noun, Plural
Last Updated: 27 February 2006
English: ironworks
Welsh: gwaith haearn
Status C
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Last Updated: 22 February 2006
English: ironworks
Welsh: gweithfeydd haearn
Status C
Subject: Economic development
Part of speech: Noun, Plural
Last Updated: 24 February 2006
English: IROPI
Welsh: am resymau hanfodol sef er budd cyhoeddus tra phwysig
Status C
Subject: Law
Part of speech: Preposition
Definition: imperative reasons of overriding public interest
Last Updated: 21 July 2011
English: irradiance
Welsh: arbelydriad
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 23 March 2021
English: irrational
Welsh: afresymegol
Status C
Subject: Law
Part of speech: Adjective
Context: in judicial review
Last Updated: 18 October 2011
English: irrational or perverse
Welsh: afresymegol neu wrthnysig
Status C
Subject: Law
Part of speech: Adjective
Last Updated: 11 October 2004
English: irrecoverable error
Welsh: gwall anadferadwy
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: irregular animals
Welsh: anifeiliaid ag anghysonderau
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Definition: cattle premium schemes
Last Updated: 8 October 2003
English: irregular employment
Welsh: cyflogaeth afreolaidd
Status B
Subject: Personnel
Part of speech: Noun, Feminine, Singular
Last Updated: 21 January 2003
English: irregularities
Welsh: afreoleidd-dra
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last Updated: 4 February 2014
English: irrelevant consideration
Welsh: ystyriaeth amherthnasol
Status C
Subject: Law
Part of speech: Noun, Feminine, Singular
Context: in judicial review
Last Updated: 18 October 2011
English: irreversible harm
Welsh: niwed na ellir ei wrthdroi
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Context: Bydd y cynigion yn sicrhau gofal effeithiol drwy osgoi ymyriadau meddygol diangen y gallai fod angen eu gwrthdroi yn y dyfodol. Gall y cynigion hefyd leihau nifer yr achosion o niwed na ellir ei wrthdroi a allai ddeillio o driniaeth.
Last Updated: 4 July 2024
English: irrevocably committed
Welsh: wedi ymrwymo’n ddi-droi’n-ôl
Status C
Subject: Agriculture
Part of speech: Verb
Last Updated: 29 July 2003
English: irritable bowel syndrome
Welsh: syndrom coluddyn llidus
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last Updated: 8 March 2012
English: IRRV
Welsh: Y Sefydliad Ardrethu a Phrisio Refeniw
Status B
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: Institute of Revenues Rating and Valuation
Last Updated: 19 May 2005
English: IRS
Welsh: Sefydliad Astudiaethau Gwledig
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Institute of Rural Studies
Last Updated: 4 August 2006
English: IRT
Welsh: Damcaniaeth Ymateb i Eitem
Status B
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Definition: Techneg ystadegol a ddefnyddir i fesur gwahaniaethau yng ngalluoedd ac agweddau unigolion. Fe'i defnyddir yn bennaf wrth edrych ar "eitemau" (hynny yw, yr ymatebion a roddir i dasgau neu gwestiynau) mewn holiaduron a phrofion.
Notes: Dyma'r acronym Saesneg a ddefnyddir am Item Response Theory.
Last Updated: 22 November 2023
English: IRU
Welsh: Uned Adolygu Gweithredu
Status C
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: Implementation Review Unit
Last Updated: 23 December 2005
English: IRU
Welsh: Yr Uned Hawl i Wybodaeth
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Feminine, Singular
Context: Information Rights Unit
Last Updated: 4 May 2011
English: ISA
Welsh: Safon Ryngwladol ar Archwilio
Status C
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Definition: International Standard on Auditing
Last Updated: 3 November 2008
English: ISA
Welsh: Awdurdod Diogelu Annibynnol
Status A
Subject: Social services
Part of speech: Noun, Masculine, Singular
Definition: Independent Safeguarding Authority
Last Updated: 30 August 2007
English: ISA
Welsh: ISA
Status C
Subject: Finance and statistics
Definition: Individual Savings Account
Last Updated: 7 October 2004
English: ISBN
Welsh: Rhif Llyfr Safonol Rhyngwladol
Status B
Subject: Culture and the arts
Part of speech: Noun, Masculine, Singular
Last Updated: 8 November 2018